Pressure Units for Gases

Do you have out your worksheet with all the pressure equalities on the top; a paper and pencil to work problems?

• Yes

• No

A gas is at a pressure of 760 mm Hg. What is its pressure in psi?

• 14.7 psi

• 1 psi

• 205 psi

• 0.547 psi

A gas is at a pressure of 95 kPa. What is its pressure in atmospheres?

• 1.5 atm

• 1.09 atm

• 0.94 atm

• 0.82 atm

The gas in my car's tires is at 32 psi. How many Pascals is this?

• 4.26 Pa

• 2.8 Pa

• 2.18 Pa

• 220,571 Pa

How many mm Hg is a pressure of 1.05 atm?

• 529 mm Hg

• 798 mm Hg

• 104.8 mm Hg

• 760 mm Hg

Convert 2.75 x10⁵ Pa to atmospheres

• 2.71 atm

• 1.93 atm

• 1.08 atm

• 0.73 atm

If a gas is at 0.95 atm, how many kPa is this?

• 0.35 kPa

• 1.07 kPa

• 96 kPa

• 400,025 kPa

A gas at 9.5 Kilopascals is at how many Pascals of pressure?

• 9500 Pa

• 0.0095 Pa

• 9.5 Pa

• 95 Pa

A pressure gauge displays a pressure of 783 torr. How many psi is this?

• 13.9 psi

• 15.1 psi

• 18.5 psi

• 37.1 psi

In order to use the ideal gas law, Mr. Schmidt needs his pressure in units of atmospheres. Convert 150 kPa to these units.

• 0.0020 atm

• 101.5 atm

• 1.48 atm

• 32.0 atm